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PRATT BURNERD/ATLAS 3-JAW DUST PROOF SCROL CHUCK
PRATTATLAS 3-JAW DUST-PROFF.png

Atlas Dust Proof Chuck Medium-Duty Flat-back, D and A Type Mounting: Sizes 6″ thru 12″

  • Uses 1.5X60 degree master jaws and top jaws to utilize Kitagawa type power chuck jaws.

  • One year warranty

  • Standard chuck sizes 6″ thru 12″

  • Maximum .003″ TIR using nominating pinion.

  • Hardened scroll

  • Three hardened pinions

  • SG Iron bodies

Chuck Size
Flatback
Type D Spindle
PART NUMBER
Type A Spindle
PART NUMBER-1
6
06DP300
D-4
06DP321
A-4
06DP309
6
A-5
06DP310
8
08DP300
D-4
08DP321
8
D-5
08DP322
A-5
08DP310
8
D-6
08DP323
A-6
08DP311
10
10DP300
D-5
10DP322
A-5
10DP310
10
D-6
10DP323
A-6
10DP311
10
D-8
10DP324
A-8
10DP312
12
12DP300
D-6
12DP323
A-6
12DP311
12
D-8
12DP324
A-8
12DP312
PRATATLAS 3-JAW DUST PROOF DIM DWG.png
Chuck Size
B1
B3
B4
B6
B7
B9
B10
B11
B12
B15
Max RPM
6
6.3
4.92
1.45
5.51
M-10
4.65
1.85
2.8
0.47
1.18
2500
8
7.87
6.3
1.97
6.93
M-10
5.35
2.17
3.19
0.55
1.34
2000
10
9.84
7.87
2.76
8.81
M-12
5.83
2.28
3.54
0.63
1.38
1600
12
12.4
10.23
3.94
11.26
M-12
6.3
2.36
3.94
0.83
1.77
1200
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